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Finding the Fourth Proportional to 11,008.91, 16,513.91 and 4,434.21

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Solution

The fourth proportional to 11,008.91, 16,513.91 and 4,434.21 is: 6,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.91 : 16,513.91 = 4,434.21 : x
  2. Step 2: Convert to fraction form
    11,008.91/16,513.91 = 4,434.21/x
  3. Step 3: Cross multiply
    11,008.91x = 16,513.91 × 4,434.21
  4. Step 4: Simplify right side
    11,008.91x = 73,226,122.69
  5. Step 5: Solve for x
    x = 73,226,122.69/11,008.91
  6. Step 6: Final answer
    x = 6,651.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.